I emailed Arcam UK from their web at support, and they forwarded question and answer to my local ( Canadian in my case ) Arcam distributor who contacted me with the answer. If you have a question, ask them and probably they'll respond same way through your dealer.O.T. for Zeiter:
How did you get an answer from Arcam? By Email? Could be the solution to my problem...
P.S.: you can also answer me by PM